Home / 3,943.65-5,910.39-2,095.65

Finding the Fourth Proportional to 3,943.65, 5,910.39 and 2,095.65

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Solution

The fourth proportional to 3,943.65, 5,910.39 and 2,095.65 is: 3,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.65 : 5,910.39 = 2,095.65 : x
  2. Step 2: Convert to fraction form
    3,943.65/5,910.39 = 2,095.65/x
  3. Step 3: Cross multiply
    3,943.65x = 5,910.39 × 2,095.65
  4. Step 4: Simplify right side
    3,943.65x = 12,386,108.80
  5. Step 5: Solve for x
    x = 12,386,108.80/3,943.65
  6. Step 6: Final answer
    x = 3,140.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.